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kipiarov [429]
3 years ago
14

16/20 – 1/4 = I need help please thank you

Mathematics
1 answer:
elixir [45]3 years ago
6 0

Answer:

11 / 20

Step-by-step explanation:

16 / 20 - 1×5 / 4×5

16 / 20 - 5 / 20

16 - 5 / 20

= 11 / 20

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Step-by-step explanation:

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Number of ways to select 3 books from 13 books for adoption is 286 .

<u>Step-by-step explanation:</u>

A Permutation is an ordered Combination. When the order does matter it is a Permutation. There are basically two types of permutation:

  • Repetition is Allowed: such as the lock above. It could be "333".
  • No Repetition: for example the first three people in a running race. You can't be first and second.

Formula is given by:

nC_r= \frac{n!}{r! (n-r)!} , where n is the number of things to choose from,  and we choose r of them,  no repetitions,  order matters. Here , n=13 , r=3.

⇒ 13C_3 = \frac{13!}{3!(13-3)!}

⇒ 13C_3 = \frac{13!}{3!(10)!}

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∴ Number of ways to select 3 books from 13 books for adoption is 286 .

3 0
3 years ago
United States facing a budget deficit of 1.5 billion, population was 3.9 million how much would each person have to contribute t
Diano4ka-milaya [45]

Answer:

Each person would have to contribute to contribute $385 to pay a 1.5 deficit.

Step-by-step explanation:

To determine:

How much would each person have to contribute to pay a 1.5 deficit if United States facing a budget deficit of 1.5 billion and 3.9 million population?

Fetching Information and Solution Steps:

  • United States facing a budget deficit of 1.5 billion
  • Population = 3.9 million

We have to determine how much would each person have to contribute to pay a 1.5 deficit.

Just dividing 1500 millions (1.5 billion) by 3.9 million as:

\frac{1500}{3.9} =384.6153

which is rounded to $385.

Therefore, each person would have to contribute to contribute $385 to pay a 1.5 deficit.

Keywords: deficit

Learn more about deficit from brainly.com/question/3638352

#learnwithBrainly

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Hope this helps!
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Answer: you didnt post graphs to look at

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